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EN 1.0644 Steel vs. EN 1.4539 Stainless Steel

Both EN 1.0644 steel and EN 1.4539 stainless steel are iron alloys. They have 49% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.0644 steel and the bottom bar is EN 1.4539 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
38
Fatigue Strength, MPa 380
220
Impact Strength: V-Notched Charpy, J 38
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 420
430
Tensile Strength: Ultimate (UTS), MPa 690
630
Tensile Strength: Yield (Proof), MPa 570
260

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 47
12
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
31
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.8
5.7
Embodied Energy, MJ/kg 24
78
Embodied Water, L/kg 50
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 870
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 13
3.2
Thermal Shock Resistance, points 22
14

Alloy Composition

Aluminum (Al), % 0.010 to 0.050
0
Carbon (C), % 0.16 to 0.22
0 to 0.020
Chromium (Cr), % 0 to 0.3
19 to 21
Copper (Cu), % 0 to 0.3
1.2 to 2.0
Iron (Fe), % 96.1 to 98.4
43.1 to 51.8
Manganese (Mn), % 1.3 to 1.7
0 to 2.0
Molybdenum (Mo), % 0 to 0.080
4.0 to 5.0
Nickel (Ni), % 0 to 0.4
24 to 26
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.020
0 to 0.15
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.1 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.035
0 to 0.010
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0.080 to 0.15
0